航海英語理貨與計量作業(yè)單項選擇題每日一練(2019.01.12)

來源：考試資料網(wǎng)

1 Preventer bars are fitted on lifeboat releasing hooks to prevent（）.

2 During loading or discharging，the tallymen must make contact with（）on duty so as to solve problems in time.

3 Draft readings shall be considered as（）in the draft survey report．

4 （）this electric fan to the tally room.

5 （）is not an advice be observed when samples are taken in tanks containing volatile petroleum products.